Base | Representation |
---|---|
bin | 1001100110101… |
… | …10011101111011 |
3 | 12121121101120210 |
4 | 10303112131323 |
5 | 131111221420 |
6 | 11554522203 |
7 | 1665556434 |
oct | 463263573 |
9 | 177541523 |
10 | 80570235 |
11 | 41530679 |
12 | 22b96363 |
13 | 138ccac5 |
14 | a9b448b |
15 | 71179e0 |
hex | 4cd677b |
80570235 has 16 divisors (see below), whose sum is σ = 129471264. Its totient is φ = 42784512.
The previous prime is 80570233. The next prime is 80570239. The reversal of 80570235 is 53207508.
It is a happy number.
It is not a de Polignac number, because 80570235 - 21 = 80570233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80570233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8032 + ... + 15021.
It is an arithmetic number, because the mean of its divisors is an integer number (8091954).
Almost surely, 280570235 is an apocalyptic number.
80570235 is a deficient number, since it is larger than the sum of its proper divisors (48901029).
80570235 is a wasteful number, since it uses less digits than its factorization.
80570235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23294.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 80570235 is about 8976.0924126259. The cubic root of 80570235 is about 431.9082935051.
The spelling of 80570235 in words is "eighty million, five hundred seventy thousand, two hundred thirty-five".
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